Phone Comparison - Samsung Galaxy S4 Zoom vs Lenovo S820 vs Panasonic P81
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| Manufacturer | Samsung | Lenovo | Panasonic |
| Announced | June 2013 | May 2013 | June 2014 |
| Status | Available - July 2013 | Available - May 2013 | Available - June 2014 |
| Colors | White | Flamingo red | Black |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
125.5 x 63.5 x 15.4 mm (4.94 x 2.5 x 0.61 in) |
139.5 x 69.7 x 9 mm (5.49 x 2.74 x 0.35 in) |
7.9 mm thickness (0.31 in thickness) |
| Weight | 208 g (7.34 oz) | 143 g (5.04 oz) | - |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 900 / 1800 / 1900 | GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 900 / 2100 | HSDPA 900 / 2100 |
| 4G Network | LTE - Region Dependent | - | - |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM |
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| OS | Android OS, v4.2.2 (Jelly Bean) | Android OS, v4.2 (Jelly Bean) | Android OS, v4.2.2 (Jelly Bean) |
| Processor | Dual-core 1.5 GHz Cortex-A9, Pega-Dual +XMM6262 | Quad-core 1.2 GHz, MTK 6589W | Octa-core 1.7 GHz Cortex-A7, Mediatek MT6592 |
| GPU | Mali-400 | PowerVR SGX544 | Mali-450MP4 |
| RAM | 1.5 GB | 1 GB | 1 GB |
| Internal Memory | 8 GB (5 GB user available) | 4 GB | 8 GB |
| External Memory | microSD, up to 64 GB | microSD, up to 32 GB | microSD, up to 32 GB |
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| Type | Super AMOLED capacitive touchscreen, Corning Gorilla Glass 3 | IPS LCD capacitive touchscreen | IPS LCD capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.3 inches | 4.7 inches | 5.5 inches |
| Resolution | 540 x 960 pixels (256 ppi) | 720 x 1280 pixels (312 ppi) | 720 x 1280 pixels (267 ppi) |
| Screen-to-Body Ratio | 64.04% | 62.82% | - |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM radio | FM radio; built-in antenna | FM radio with RDS |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 16 MP, autofocus | 12 MP, 4000 x 3000 pixels | 13 MP, 4160 x 3120 pixels |
| Flash | Xenon Flash | LED flash | LED flash |
| Features | Geo-tagging, Touch Focus, Face And Smile Detection, 10x Optical Zoom (24-240mm, F3.1-F6.3), Optical Image Stabilization, HDR, SMART Modes | Auto focus, Geo-tagging, Touch Focus, Face Detection | Auto focus, Geo-tagging |
| Video | Yes, 1080p@30fps | Yes | Yes, 1080p@30fps |
| Front Camera | Yes, 1.9 MP [Similar] | Yes, 2 MP [Similar] | Yes, 2 MP [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps; LTE, Cat3, 50 Mbps UL, 100 Mbps DL | HSDPA, HSUPA | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps |
| Bluetooth | Yes, v4.0 with A2DP, LE | Yes, v3.0 with A2DP | Yes, v3.0 with A2DP |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n, dual-band, DLNA, Wi-Fi Direct, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n, dual band | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, Wi-Fi hotspot |
| USB | Yes, microUSB v2.0 (MHL), USB On-the-go | Yes, microUSB v2.0 | Yes, microUSB v2.0 |
| GPS | Yes, with A-GPS support | Yes, with A-GPS support | Yes, with A-GPS support |
| Browser | HTML5 | HTML | HTML5 |
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| Internal | 8 GB (5 GB user available), 1.5 GB RAM | 4 GB, 1 GB RAM | 8 GB, 1 GB RAM |
| Expandable Storage | microSD, up to 64 GB | microSD, up to 32 GB | microSD, up to 32 GB |
| USB OTG | Supported | - | - |
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| Fingerprint | |
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| Proximity Sensor | |
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| Accelerometer Sensor | |
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| NFC | |
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| Type | Li-Ion Battery | Li-Po Battery | Non-removable Li-Ion Battery |
| Capacity | 2330 mAh | 2000 mAh | 2500 mAh |
| Stand by | - | Up to 140 h (2G) Up to 140 h (3G) |
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| Talk Time | - | Up to 22 h (2G) Up to 10 h (3G) |
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